Paper-feed mechanism for perforated music-sheets.



G. B. KELLY. PAPER FEED MECHANISM FOR PERFORATED MUSIC SHEETS.APPLICATION FILED DEC.6, 1912.

1,064,341, Patented June 10,1913.

2 SHEETS-SHEET 1.

G. B. KELLY.

PAPER FEED MECHANISM FOR PERFORATED MUSIC SHEETS APPLICATION FILEDDBO.6,1912.

SHEETS SHEET Z.

Inventor:

y r V. ,5:

(ll/M4374 V y Patented June 10, 1913.

and furthermore this is fully described in 1 my Patent No. 1,021,049.

-To the standards 3 and 6 cams 29 and 30 are secured which, in themanner described in the two patents previously mentioned serve forswinging the clamping levers ll downward when the bars of the lowestchains have reached the highest points on the wheels 4 and for swingingthese levers upward when the bars on the lowest chains begin to traveldownward from the highest points of the wheels 1. The bars on the twochains are so arranged that when one of the bars 8 on the lowest chainsarrives in the highest position upon the sprocket wheels that is,directly above the shaft 5, the corresponding bar 20 on the upperchains-19 will rest directly above said high- =est bar 8, that isdirectly above the paper upon said bar 8. When these two bars are sopositioned, one directly above the other,

the corresponding clamping levers 11 are thrown into the position shownon the top bar 8, in Fig. 2, and hold the corresponding bar 20, of theupper chains, firmly upon the paper resting upon the corresponding bar 8of the ldwer chains and as these clamping members under spring pressurethey are held in place; in relation to the bars 8 of the lowest chainsand as the chains move at the same speeds the said bars 8 of the lowestchains andhbars 20 of the upper chains, while clamped together, can movefrom right to left, Fig. 1, until the corresponding clamping levers 11are disengaged by the cam 29 and so on. The paper is thus not clampedonly at each side edgcof the strips or hands of paper passing throughthe machine but is always clamped through out its entire width by a bar20 of the upper set of chains being clamped to a corresponding bar 8 ofthe lower set of chains. This prevents buckling, crinkling and foldingof the paper transversely and also prevents undue transverse strain onthe paper and insures a uniform, regular and reliable feed. Havingdescribed my invention what I claim as new and desire to secure byLetters Patent is Y 1. In a paper feed mechanism for paper perforatingmachines, the combination with two pairs of endless chains, sprocketwheels for each pair of chains and bars uniting the chains of each pairof chains, one pair of chains and its bars being superimposed above theother pair of chains and its bars,

the chains of the lowest bar being suhstanthem upon the upper bars,substantially as set forth.

2. In a paper feed mechanism for perforating machines, the combinationwith two pairs of endless chains, bars uniting the endless chains ofeach pair, separate sprocket wheels for each pair of chains, onepair ofchains beingsuperimposed above the other, clamping means on the ends ofthe bars of one pair of sprocket chains, for clamping the bars on theother pair of sprocketchains, and mcansfor alternately applying anddisengaging the clamping means, and independent means for each pair ofchains for driving both pairs of chains at the same speed, substantiallyas set forth.

3. In a paper feed mechanism for paper perforating machines, thecombination with a pair of endless chains, sprocket Wheels over whichthe chains are passed, bars uniting the chains and secured between thechains, a series of bars located parallel to the bars on said chains andlocated above the same, chains connected with said upper bars, betweenthe ends of these bars, locking means for locking the bars of the upperpair of chains on the bars of the lower pair of chains and means foralternately applying and disengaging these locking devices,substantially as set forth.

Signedat New York city, in the county. of New York and State of New Yorkthis 24th day of September A. D. 1912.

GEORGE B. KELLY. Witnesses:

LOUISA AGKERMANN, EDITH L. ROBINSON.

